/// <summary>
 ///     Update a Room in the database
 /// </summary>
 /// <param name="room">The updated Room</param>
 private void updateRoom(Room room)
 {
     string sql;
     sql = "UPDATE Room";
     sql += "Number='" + room.getRoomNumber() + "', ";
     sql += "Capacity=" + room.getCapacity() + ", ";
     sql += "RoomType='" + room.getRoomType() + "', ";
     sql += "SlotsOff='" + room.getSlotsOff() + "', ";
     sql += "WHERE ID LIKE " + room.getID();
     excuteNonQuery(sql);
 }
 /// <summary>
 ///  Insert Room to the database
 /// </summary>
 /// <param name="room">The Room to be inserted</param>
 private void insertRoom(Room room)
 {
     string sql;
     sql = "INSERT INTO Room (Number, Capacity, RoomType, SlotsOff, Deleted) VALUES(";
     sql += "'"+room.getRoomNumber()+"', ";
     sql += room.getCapacity() + ", ";
     sql += "'" + room.getRoomType() + "', ";
     sql += "'" + room.getSlotsOff() + "', false ";
     excuteNonQuery(sql);
 }